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Achievement: StarstruckAchievement: Pull Sharkx3Achievement: YOLOAchievement: Pair Extraordinairex3Achievement: Quickdraw

Achievements

Achievement: StarstruckAchievement: Pull Sharkx3Achievement: YOLOAchievement: Pair Extraordinairex3Achievement: Quickdraw

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@SciML

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singhharsh1708/README.md

Harsh Singh

Numerical methods and scientific computing, mostly in Julia.
Google Summer of Code 2026 contributor at SciML, under NumFOCUS.
240+ merged pull requests across the projects below.

Portfolio  ·  LinkedIn  ·  Codeforces

What I build

  • PETScDiffEq.jl - PETSc's TS time integrators behind the SciML solve interface: explicit RK, Rosenbrock-W, BDF, Gauss IRK, ARK IMEX and DAE solvers, with PETSc's discrete adjoint for sensitivities. I wrote it and maintain it; it is registered in General.
  • scrollcraft - AI scroll-website builder: a hosted app, plus a Claude Code skill you install with /plugin marketplace add.
  • kitbash - package manager and compiler for AI agent skills. Write a skill once, run it in Claude Code, Cursor, Codex, Copilot and Gemini CLI.
  • Assay.jl - Bayesian inference from first principles: MCMC, SMC and ADVI implemented rather than imported, with the SBC and Geweke checks that prove the numbers are right.

Writing

SciML and Julia

Beyond Julia

  • Pasteur Labs - Tesseract with its PyTorch and JAX bindings, and Mosaic: dtype checks at the runtime boundary, gradients through list-valued fields, and adjoints for FEniCS solvers.
  • ZoneMinder - output escaping, accessibility, PHP 9 forward-compatibility and schema fixes in the video surveillance stack.
  • omi - crash and data-loss fixes in the app for the open-source AI wearable: SD card and offline recordings that got wiped, and decoders that one bad entry could take down.
  • openpilot - comma.ai's driver assistance system. Its test runner was skipping every parameterized test class; now they run.
  • Music Blocks - Sugar Labs' visual music programming environment for children.
  • Irksome - Runge-Kutta time stepping for Firedrake.
  • Cloud native - apiserver-network-proxy (Kubernetes SIG) and Meshery.

Pinned Loading

  1. SciML/OrdinaryDiffEq.jl SciML/OrdinaryDiffEq.jl Public

    High performance ordinary differential equation (ODE) and differential-algebraic equation (DAE) solvers, including neural ordinary differential equations (neural ODEs) and scientific machine learni…

    Julia 684 276

  2. SciML/SciMLBenchmarks.jl SciML/SciMLBenchmarks.jl Public

    Scientific machine learning (SciML) benchmarks, AI for science, and (differential) equation solvers. Covers Julia, Python (PyTorch, Jax), MATLAB, R

    Julia 346 114

  3. gsoc_blog gsoc_blog Public

    GSoC 2026 @ SciML — Personal portfolio & technical blog

    HTML

  4. kitbash kitbash Public

    The package manager and compiler for AI agent skills — write once, run in Claude Code, Cursor, Codex, Copilot, Gemini CLI, and more

    HTML 9 4

  5. scrollcraft scrollcraft Public

    Cinematic scroll websites, exported as plain HTML. Free templates, runs in your browser, no account.

    TypeScript 63 6

  6. sciml-toolkit sciml-toolkit Public

    VS Code extension for Julia SciML: inline execution, @benchmark panel, and LaTeX equation preview

    TypeScript